Narrative:

Autoplt failed to capture altitude plus 600 ft. FL296 vice FL290 -- corrected in about 3 seconds.

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Original NASA ASRS Text

Title: AN ACR B727 FLC BRIEFLY CLBED ABOVE THEIR ASSIGNED ALT.

Narrative: AUTOPLT FAILED TO CAPTURE ALT PLUS 600 FT. FL296 VICE FL290 -- CORRECTED IN ABOUT 3 SECONDS.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.